/* LDS Scripture Highlighter Stylesheet v1.0
 *
 * Responsive, accessible, privacy-focused design
 * - Multi-column scripture layout (1-6 columns)
 * - Four themes: light, dark, sepia, night
 * - Highlight palette with animated feedback
 * - Search with instant filtering
 * - Modal dialogs, import/export, drag-select
 * - Customizable palette, font, and columns
 *
 * MIT License - For details, see README.md
 */
/* Placeholder highlight for removed/unknown colors */
.placeholder-highlight {
    background-color: #ff00ff !important;
    border: 2px solid #ff00ff !important;
    color: #fff !important;
    box-shadow: 0 0 0 2px #ff00ff33;
}
.dark-highlight, .dark-highlight .verse-ref {
    color: #fff !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.18);
}
.light-highlight, .light-highlight .verse-ref {
    color: #000 !important;
    text-shadow: 0 1px 2px rgba(255,255,255,0.3);
}
.orphan-highlight {
    border-radius: 2px;
}
.orphan-swatch {
    opacity: 0.7;
    border-style: dashed !important;
}
.orphan-swatch:hover {
    opacity: 1;
    border-style: solid !important;
}
.custom-color-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: var(--shadow);
    padding: 8px 6px 6px 8px;
    width: 210px;
    min-height: 38px;
    align-items: center;
    justify-content: flex-end;
}

.custom-color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 2px solid #eee;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
}
.custom-color-swatch:hover {
    border-color: #4a90e2;
    transform: scale(1.1);
}

.custom-color-more-btn {
    margin-top: 4px;
    width: 100%;
    padding: 4px 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-primary);
    font-size: 0.95em;
    cursor: pointer;
    transition: background 0.2s;
}
.custom-color-more-btn:hover {
    background: var(--btn-hover);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme: Light (default) */
:root, [data-theme="light"] {
    --bg-primary: #faf8f3;
    --bg-secondary: #ffffff;
    --text-primary: #2c2c2c;
    --text-secondary: #666;
    --border-color: #ddd;
    --highlight-green: #c3e6cb;
    --highlight-yellow: #fff3cd;
    --highlight-pink: #f8d7da;
    --highlight-purple: #e2d9f3;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --btn-bg: white;
    --btn-hover: #f0f0f0;
    --modal-overlay: rgba(0, 0, 0, 0.5);
    --toast-bg: rgba(40, 40, 40, 0.95);
    --toast-text: #fff;
    --highlight-outline-inner: rgba(255,255,255,0.9);
    --highlight-outline-outer: rgba(0,0,0,0.25);
}

/* Theme: Dark */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #444;
    --highlight-green: #2d5a3d;
    --highlight-yellow: #5a4a1a;
    --highlight-pink: #5a2d2d;
    --highlight-purple: #3d2d5a;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --btn-bg: #3d3d3d;
    --btn-hover: #4a4a4a;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --toast-bg: rgba(60, 60, 60, 0.95);
    --toast-text: #fff;
    --highlight-outline-inner: rgba(0,0,0,0.5);
    --highlight-outline-outer: rgba(255,255,255,0.2);
}

/* Theme: Sepia (aged paper) */
[data-theme="sepia"] {
    --bg-primary: #f4ecd8;
    --bg-secondary: #faf6eb;
    --text-primary: #5c4b37;
    --text-secondary: #8b7355;
    --border-color: #d4c4a8;
    --highlight-green: #c8d9b3;
    --highlight-yellow: #e8dbb4;
    --highlight-pink: #e8cfc9;
    --highlight-purple: #d8cfe0;
    --shadow: 0 2px 8px rgba(92, 75, 55, 0.15);
    --btn-bg: #faf6eb;
    --btn-hover: #f0e8d4;
    --modal-overlay: rgba(92, 75, 55, 0.5);
    --toast-bg: rgba(92, 75, 55, 0.95);
    --toast-text: #faf6eb;
    --highlight-outline-inner: rgba(250,246,235,0.9);
    --highlight-outline-outer: rgba(92,75,55,0.3);
}

/* Theme: Night (OLED-friendly) */
[data-theme="night"] {
    --bg-primary: #000000;
    --bg-secondary: #0d0d0d;
    --text-primary: #c8c8c8;
    --text-secondary: #787878;
    --border-color: #333;
    --highlight-green: #1a3d2a;
    --highlight-yellow: #3d3010;
    --highlight-pink: #3d1a1a;
    --highlight-purple: #2a1a3d;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    --btn-bg: #1a1a1a;
    --btn-hover: #2a2a2a;
    --modal-overlay: rgba(0, 0, 0, 0.85);
    --toast-bg: rgba(30, 30, 30, 0.95);
    --toast-text: #c8c8c8;
    --highlight-outline-inner: rgba(0,0,0,0.6);
    --highlight-outline-outer: rgba(200,200,200,0.2);
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

#app {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation Bar */
.nav-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.nav-select {
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 120px;
}

.nav-select:focus {
    outline: 2px solid #4a90e2;
    outline-offset: 1px;
}

.nav-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-actions button {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.nav-actions button:hover {
    background: var(--btn-hover);
}

#pageIndicator {
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Inline Controls */
.inline-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-right: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: var(--btn-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.control-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 0.25rem;
}

.control-separator {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0 0.25rem;
}

.inline-controls button {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--btn-bg);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.inline-controls button:hover {
    background: var(--btn-hover);
}

.inline-controls button:active {
    background: var(--btn-hover);
}

#fontSizeDisplay, #columnCountDisplay {
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 32px;
    text-align: center;
    color: var(--text-primary);
}

/* Content Area */
.content-area {
    flex: 1;
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    overflow: hidden;
    box-sizing: border-box;
    min-height: 0;
}

.scripture-columns {
    position: absolute;
    top: 8px;
    left: 12px;
    right: 12px;
    bottom: 8px;
    column-gap: 24px;
    column-count: 2; /* default, overridden by .cols-N */
    column-fill: auto;
    box-sizing: border-box;
    overflow: hidden;
}

.scripture-columns.cols-1 { column-count: 1; }
.scripture-columns.cols-2 { column-count: 2; }
.scripture-columns.cols-3 { column-count: 3; }
.scripture-columns.cols-4 { column-count: 4; }
.scripture-columns.cols-5 { column-count: 5; }
.scripture-columns.cols-6 { column-count: 6; }

.verse {
    display: block;
    cursor: text;
    user-select: text;
    transition: background-color 0.2s;
    padding: 0.1em 0.2em;
    margin-bottom: 0.2em;
    border-radius: 0.1em;
}

.phrase-highlight {
    padding: 0.05em 0.1em;
    border-radius: 0.1em;
    cursor: pointer;
    transition: opacity 0.2s;
}

.phrase-highlight:hover {
    opacity: 0.8;
}

.verse:hover {
    opacity: 0.8;
}

.verse-ref {
    font-size: 0.7em;
    vertical-align: super;
    color: var(--text-secondary);
    font-weight: normal;
    margin-right: 0.15em;
}

.chapter-heading {
    font-weight: bold;
    font-size: 1.1em;
    margin-top: 0.8em;
    margin-bottom: 0.4em;
    color: var(--text-primary);
}

.book-heading {
    font-size: 1.3em;
    margin-top: 1em;
    text-align: center;
    width: 100%;
}

/* Highlight Colors */
.highlight-none {
    background-color: transparent;
}

.highlight-0 {
    background-color: var(--highlight-green);
}

.highlight-1 {
    background-color: var(--highlight-yellow);
}

.highlight-2 {
    background-color: var(--highlight-pink);
}

.highlight-3 {
    background-color: var(--highlight-purple);
}

/* Palette Bar */
.palette-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 60px;
    z-index: 99;
}

.add-color-picker {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-radius: 6px;
}

.palette-colors-inline {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    align-items: center;
}

#paletteColors {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-swatch-inline {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
    position: relative;
}

.color-swatch-inline:hover {
    border-color: #4a90e2;
    transform: scale(1.1);
}

.color-swatch-inline.active {
    border-color: #4a90e2;
    border-width: 3px;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.3);
}

.mode-toggle-swatch {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.mode-toggle-swatch:hover {
    border-color: #6c757d;
    transform: scale(1.1);
}

.mode-toggle-swatch.active {
    border-color: #4a90e2;
    border-width: 3px;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.3);
}

/* Drag mode toggle */
.drag-mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--btn-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    margin-left: 0.5rem;
}

.drag-mode-toggle .toggle-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.drag-mode-btn {
    min-width: 28px;
    height: 24px;
    padding: 0 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    background: var(--btn-bg);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.drag-mode-btn:hover {
    background: var(--btn-hover);
}

.drag-mode-btn.active {
    background: #4a90e2;
    border-color: #4a90e2;
    color: white;
}

/* Cycle mode button */
.cycle-mode-btn {
    padding: 0.35rem 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
    margin-right: 0.5rem;
}

.cycle-mode-btn:hover {
    background: var(--btn-hover);
    border-color: #6c757d;
}

.cycle-mode-btn.active {
    background: linear-gradient(135deg, #ff666640, #ffff6640, #66ff6640, #6666ff40);
    border-color: #4a90e2;
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.color-swatch-inline.active::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #333;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 0 2px white, 0 0 3px white;
}

.color-swatch-inline.cycling {
    animation: pencilCircle 0.8s ease-out;
}

@keyframes pencilCircle {
    0% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.7);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.4), 0 0 0 8px rgba(74, 144, 226, 0.2);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0);
    }
}

.palette-actions-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.inline-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s;
    white-space: nowrap;
}

.inline-btn:hover {
    background: var(--btn-hover);
}

#addColorBtn.inline-btn {
    background: #4a90e2;
    color: white;
    border-color: #4a90e2;
    font-weight: bold;
}

#addColorBtn.inline-btn:hover {
    background: #357abd;
}

.add-color-btn {
    background: #4a90e2 !important;
    color: white !important;
    border-color: #4a90e2 !important;
    font-weight: bold !important;
    font-size: 1rem !important;
    width: 32px !important;
    height: 32px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin-left: 0.5rem !important;
}

.add-color-btn:hover {
    background: #357abd !important;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.3rem;
    color: var(--text-primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

#importTextarea {
    width: 100%;
    min-height: 200px;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    resize: vertical;
    background: var(--btn-bg);
    color: var(--text-primary);
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.modal-footer button {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
    color: var(--text-primary);
}

.primary-btn {
    background: #4a90e2;
    color: white;
    border-color: #4a90e2;
}

.primary-btn:hover {
    background: #357abd;
}

.modal-footer button:not(.primary-btn) {
    background: var(--btn-bg);
}

.modal-footer button:not(.primary-btn):hover {
    background: var(--btn-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .scripture-columns {
        left: 8px;
        right: 8px;
        top: 8px;
        bottom: 4px;
        column-count: 1 !important;
        column-gap: 0;
    }

    .nav-controls {
        flex-direction: column;
    }

    .nav-select {
        width: 100%;
    }

    .highlight-palette {
        position: static;
        margin: 1rem;
        max-width: 100%;
    }
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* Footer */
.app-footer {
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 0.35rem 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}

.footer-content p {
    margin: 0;
    line-height: 1.4;
}

.footer-content p:first-child {
    color: var(--text-primary);
}

.footer-content a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.footer-content a:hover {
    color: var(--text-primary);
    text-decoration-style: solid;
}

/* Theme Selector */
.theme-selector {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    margin-right: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: var(--btn-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.theme-btn {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, transform 0.2s;
}

.theme-btn:hover {
    transform: scale(1.1);
}

.theme-btn.active {
    border-color: #4a90e2;
    border-width: 3px;
}

.theme-btn[data-theme="light"] {
    background: linear-gradient(135deg, #faf8f3 50%, #ffffff 50%);
}

.theme-btn[data-theme="dark"] {
    background: linear-gradient(135deg, #1a1a1a 50%, #2d2d2d 50%);
}

.theme-btn[data-theme="sepia"] {
    background: linear-gradient(135deg, #f4ecd8 50%, #faf6eb 50%);
}

.theme-btn[data-theme="night"] {
    background: linear-gradient(135deg, #000000 50%, #0d0d0d 50%);
}

/* Import Modal Enhancements */
.import-modal-wide {
    max-width: 550px;
}

.import-preview {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.import-preview.hidden {
    display: none;
}

.import-stats {
    display: flex;
    gap: 1rem;
    justify-content: center;
    font-size: 0.9rem;
}

.import-stats span {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    background: var(--btn-bg);
    border: 1px solid var(--border-color);
}

#importStatsNew {
    color: #28a745;
    border-color: #28a745;
}

#importStatsConflict {
    color: #dc3545;
    border-color: #dc3545;
}

#importStatsTotal {
    color: var(--text-secondary);
}

.import-options {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.import-options.hidden {
    display: none;
}

.import-file-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.import-or {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.import-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--btn-bg);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.import-option:hover {
    background: var(--btn-hover);
}

.import-option:has(input:checked) {
    border-color: #4a90e2;
    background: var(--bg-primary);
}

.import-option input[type="radio"] {
    margin-top: 0.2rem;
    accent-color: #4a90e2;
}

.import-option .option-content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.import-option .option-content strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.import-option .option-content span {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Search Controls */
.search-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 0.5rem;
}

.search-input {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--btn-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 150px;
    transition: border-color 0.2s, width 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: #4a90e2;
    width: 200px;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 60px;
}

.search-btn {
    font-size: 0.75rem !important;
    padding: 0.3rem 0.5rem !important;
}

.search-btn.hidden {
    display: none;
}

/* Search highlight in text */
.search-match {
    background: #FFEB3B;
    color: #000;
    border-radius: 2px;
    padding: 0 2px;
}

[data-theme="dark"] .search-match,
[data-theme="night"] .search-match {
    background: #FFC107;
    color: #000;
}

[data-theme="sepia"] .search-match {
    background: #FFD54F;
    color: #5c4b37;
}

/* Toast notifications */
.sh-toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 1.1em;
    z-index: 9999;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.sh-toast.visible {
    opacity: 1;
}